@IGTHORN There are two modes for entering password in an encrypted database; passphrase and raw key. What you are looking for is Raw Key mode (https://github.com/sqlitebrowser/sqlitebrowser/wiki/Encrypted-Databases#what-are-raw-keys).
When creating a password for your database, there is a small listbox next to the password editbox. Change it from Passphrase (the default) to Raw key. When entering a raw key you have to prefix the password with
0x. For example to set your password as a newline (
\n) make it